Security key
04746L104
LeonaBio, Inc. - Common Stock, $0.0001 par value (ATHA)
CUSIP: 04746L104
Q1 2024 13F Holders as of 31 Mar 2024
- Security type / class
- Equity / Common Stock, $0.0001 par value
- Total 13F shares
- 21,695,406
- Total 13F value
- $59,443,068
- Share change
- -56,562
- Put/Call ratio
- 55%
- SEC-reported price per share
- $2.74
- Number of holders
- 73
- Value change
- -$117,105
- Number of buys
- 34
- Number of sells
- 21
- Shares outstanding
- 9,416,558
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2024
Institutions
73
Top holders
10
ATHA full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
LeonaBio, Inc. SEC filings
LeonaBio, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 04746L104
Recent filing periods:
Ownership snapshot
Top reported holders of ATHA - LeonaBio, Inc. - Common Stock, $0.0001 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
PERCEPTIVE ADVISORS LLC
Disclosed value leader
PERCEPTIVE ADVISORS LLC
Comparable rows
0/15
Latest evidence
31 Dec 2023
13F
Highest disclosed value: $13,129,202
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
PERCEPTIVE ADVISORS LLC has the largest disclosed position value at $13.13M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens PERCEPTIVE ADVISORS LLC's linked filing trail.
Disclosed position value
Top 5
PERCEPTIVE ADVISORS LLC
$13.13M
BAKER BROS. ADVISORS LP
$7.66M
VANGUARD GROUP INC
$4.13M
Propel Bio Management, LLC
$3.63M
Simplify Asset Management Inc.
$3.63M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC |
13F
Company
|
—
denominator unverified
|
$13,129,202
5,402,964 shares
|
— | 31 Dec 2023 |
| BAKER BROS. ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$7,663,751
3,153,807 shares
|
— | 31 Dec 2023 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$4,127,241
1,698,453 shares
|
— | 31 Dec 2023 |
| Propel Bio Management, LLC |
13F
Company
|
—
denominator unverified
|
$3,627,485
1,492,792 shares
|
— | 31 Dec 2023 |
| Simplify Asset Management Inc. |
13F
Company
|
—
denominator unverified
|
$3,627,485
1,492,792 shares
|
— | 31 Dec 2023 |
| BML Capital Management, LLC |
13F
Company
|
—
denominator unverified
|
$3,534,100
1,454,362 shares
|
— | 31 Dec 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
73
Shares
21,695,406
Rows available
73
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2024 vs Q1 2024 Across Filers
Q1 2024 holders
73
Q1 2024 holders
73
Holder diff
0
| Investor | Q1 2024 Shares | Q1 2024 Shares | Share Diff | Share Chg % | Q1 2024 value | Q1 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend